Fulbright Scholar. Legal Counsel, National Mortgage Bank, 1987-1990. Advisor: Ministry of Foreign Trade, 1994-1997; Congressional Banking Committee, 1995-1997. Consultant: Ministry of Foreign Trade, on CAFTA-DR approval and implementation, 2006-2008; IADB-Academia de Centroamerica, on investor-State dispute resolution, 2009-2010. Member, Board of Directors, Superintendence of Financial Institutions, 1995-1998. Alternate Member, Antitrust Commission, 1995-2010.